Re: [PATCH v2 5/5] ARM: dts: AM4372: add entry for qspi mmap region

2015-11-06 Thread Vignesh R 


On 11/06/2015 10:44 AM, Felipe Balbi wrote:
> 
> Hi,
> 
> Rob Herring  writes:
>> On Tue, Nov 03, 2015 at 03:36:14PM +0530, Vignesh R wrote:
>>> Add qspi memory mapped region entries for AM43xx based SoCs. Also,
>>> update the binding documents for the controller to document this change.
>>>
>>> Signed-off-by: Vignesh R 
>>
>> Acked-by: Rob Herring 
>>
>>> ---
>>>  Documentation/devicetree/bindings/spi/ti_qspi.txt | 5 +++--
>>>  arch/arm/boot/dts/am4372.dtsi | 4 +++-
>>>  2 files changed, 6 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt 
>>> b/Documentation/devicetree/bindings/spi/ti_qspi.txt
>>> index f05dd631bef1..05488970060b 100644
>>> --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
>>> +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
>>> @@ -17,9 +17,10 @@ Recommended properties:
>>>  
>>>  Example:
>>>  
>>> +For am4372:
>>>  qspi: qspi@4b30 {
>>> -   compatible = "ti,dra7xxx-qspi";
>>> -   reg = <0x4790 0x100>, <0x3000 0x3ff>;
>>> +   compatible = "ti,am4372-qspi";
>>> +   reg = <0x4790 0x100>, <0x3000 0x400>;
>>> reg-names = "qspi_base", "qspi_mmap";
>>> #address-cells = <1>;
>>> #size-cells = <0>;
> 
> and how does the user for this look like ? Don't you need to give this a
> proper 'ranges' binding ?
> 


There are no other users of qspi_mmap region except ti-qspi driver itself:
In probe:
res_mmap = platform_get_resource_byname(pdev,
IORESOURCE_MEM, "qspi_mmap");
qspi->mmap_base = devm_ioremap_resource(>dev, res_mmap);

and for reading from mmap region:
memcpy_fromio(buf, qspi->mmap_base + from, len);

-- 
Regards
Vignesh
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Re: [PATCH v2 5/5] ARM: dts: AM4372: add entry for qspi mmap region

2015-11-05 Thread Rob Herring 
On Tue, Nov 03, 2015 at 03:36:14PM +0530, Vignesh R wrote:
> Add qspi memory mapped region entries for AM43xx based SoCs. Also,
> update the binding documents for the controller to document this change.
> 
> Signed-off-by: Vignesh R 

Acked-by: Rob Herring 

> ---
>  Documentation/devicetree/bindings/spi/ti_qspi.txt | 5 +++--
>  arch/arm/boot/dts/am4372.dtsi | 4 +++-
>  2 files changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt 
> b/Documentation/devicetree/bindings/spi/ti_qspi.txt
> index f05dd631bef1..05488970060b 100644
> --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
> +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
> @@ -17,9 +17,10 @@ Recommended properties:
>  
>  Example:
>  
> +For am4372:
>  qspi: qspi@4b30 {
> - compatible = "ti,dra7xxx-qspi";
> - reg = <0x4790 0x100>, <0x3000 0x3ff>;
> + compatible = "ti,am4372-qspi";
> + reg = <0x4790 0x100>, <0x3000 0x400>;
>   reg-names = "qspi_base", "qspi_mmap";
>   #address-cells = <1>;
>   #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
> index 0447c04a40cc..1b2c545f3f2c 100644
> --- a/arch/arm/boot/dts/am4372.dtsi
> +++ b/arch/arm/boot/dts/am4372.dtsi
> @@ -962,7 +962,9 @@
>  
>   qspi: qspi@4790 {
>   compatible = "ti,am4372-qspi";
> - reg = <0x4790 0x100>;
> + reg = <0x4790 0x100>,
> +   <0x3000 0x400>;
> + reg-names = "qspi_base", "qspi_mmap";
>   #address-cells = <1>;
>   #size-cells = <0>;
>   ti,hwmods = "qspi";
> -- 
> 2.6.2
> 
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Re: [PATCH v2 5/5] ARM: dts: AM4372: add entry for qspi mmap region

2015-11-05 Thread Felipe Balbi 

Hi,

Rob Herring  writes:
> On Tue, Nov 03, 2015 at 03:36:14PM +0530, Vignesh R wrote:
>> Add qspi memory mapped region entries for AM43xx based SoCs. Also,
>> update the binding documents for the controller to document this change.
>> 
>> Signed-off-by: Vignesh R 
>
> Acked-by: Rob Herring 
>
>> ---
>>  Documentation/devicetree/bindings/spi/ti_qspi.txt | 5 +++--
>>  arch/arm/boot/dts/am4372.dtsi | 4 +++-
>>  2 files changed, 6 insertions(+), 3 deletions(-)
>> 
>> diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt 
>> b/Documentation/devicetree/bindings/spi/ti_qspi.txt
>> index f05dd631bef1..05488970060b 100644
>> --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
>> +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
>> @@ -17,9 +17,10 @@ Recommended properties:
>>  
>>  Example:
>>  
>> +For am4372:
>>  qspi: qspi@4b30 {
>> -compatible = "ti,dra7xxx-qspi";
>> -reg = <0x4790 0x100>, <0x3000 0x3ff>;
>> +compatible = "ti,am4372-qspi";
>> +reg = <0x4790 0x100>, <0x3000 0x400>;
>>  reg-names = "qspi_base", "qspi_mmap";
>>  #address-cells = <1>;
>>  #size-cells = <0>;

and how does the user for this look like ? Don't you need to give this a
proper 'ranges' binding ?

-- 
balbi


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[PATCH v2 5/5] ARM: dts: AM4372: add entry for qspi mmap region

2015-11-03 Thread Vignesh R 
Add qspi memory mapped region entries for AM43xx based SoCs. Also,
update the binding documents for the controller to document this change.

Signed-off-by: Vignesh R 
---
 Documentation/devicetree/bindings/spi/ti_qspi.txt | 5 +++--
 arch/arm/boot/dts/am4372.dtsi | 4 +++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt 
b/Documentation/devicetree/bindings/spi/ti_qspi.txt
index f05dd631bef1..05488970060b 100644
--- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
+++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
@@ -17,9 +17,10 @@ Recommended properties:
 
 Example:
 
+For am4372:
 qspi: qspi@4b30 {
-   compatible = "ti,dra7xxx-qspi";
-   reg = <0x4790 0x100>, <0x3000 0x3ff>;
+   compatible = "ti,am4372-qspi";
+   reg = <0x4790 0x100>, <0x3000 0x400>;
reg-names = "qspi_base", "qspi_mmap";
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 0447c04a40cc..1b2c545f3f2c 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -962,7 +962,9 @@
 
qspi: qspi@4790 {
compatible = "ti,am4372-qspi";
-   reg = <0x4790 0x100>;
+   reg = <0x4790 0x100>,
+ <0x3000 0x400>;
+   reg-names = "qspi_base", "qspi_mmap";
#address-cells = <1>;
#size-cells = <0>;
ti,hwmods = "qspi";
-- 
2.6.2

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